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<?php $array = range(1,1000000); //Million items, ordered. function searchInArray(array $haystack, $needle) { $needle = (int)$needle; $currPos = (int)(count($haystack) / 2); $topBoundry = count($haystack); $bottomBoundry = 0; $moves = 0; while ($currPos >= $bottomBoundry && $currPos <= $topBoundry) { $currItem = $haystack[$currPos]; if ($currItem == $needle) { echo "Found item in $moves moves!"; return $currPos; } else if ($currItem < $needle) { $currPos -= floor($currPos/2); $moves++; } else if ($currItem > $needle) { $currPos += ceil($currPos/2); } } } echo searchInArray($array, 420);
Output for git.master, rfc.property-hooks
Output for git.master_jit
Fatal error: Out of memory (allocated 2097152 bytes) (tried to allocate 16777224 bytes) in /in/2sA5l on line 3 mmap() failed: [12] Cannot allocate memory mmap() failed: [12] Cannot allocate memory
Process exited with code 255.

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